http://bugzilla.kernel.org/show_bug.cgi?id=9995
------- Comment #17 from [EMAIL PROTECTED] 2008-02-25 06:48 -------
I expect the problem is:
- The external graphics ACPI device is using the traditional method to switch
brightness, it also works for the internal (Intel) graphics device
- The internal ACPI graphics device (Intel card) is using a feature that
needs
in kernel graphics driver support.
This needs fixing in BIOS and I expect Lenovo is willing to do this.
Intel should discuss this internally with their graphics drivers programmers
and provide a OSI ability string.
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